X-Git-Url: https://harishankar.org/repos/?p=biaweb_qt.git;a=blobdiff_plain;f=biaweb_db.py;h=b310972f9d8cf70d48976760988d6a512879c1d1;hp=2c8e6cdf3fae529c6ff91b6272f5c284a82ebde4;hb=54389d5adbbb1830a7e85545b2bdde816713a272;hpb=3632ca174c91a33db13178bc19ad2f93473b52c0 diff --git a/biaweb_db.py b/biaweb_db.py index 2c8e6cd..b310972 100644 --- a/biaweb_db.py +++ b/biaweb_db.py @@ -4,6 +4,160 @@ import sqlite3 import os import os.path +import time + +import biaweb_strings as bws + +# function to get the template text for a particular template +def get_template_text (dbname, template_name): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("SELECT template_content FROM templates WHERE template_name=?", + (template_name,)) + conn.commit () + row = c.fetchone () + conn.close () + return row[0] + except sqlite3.Error: + return False + +# function to update the template +def update_template (dbname, template_name, template_str): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("UPDATE templates SET template_content=? WHERE template_name=?", + (template_str, template_name)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + +# function to retrieve the templates from the database +def get_templates (dbname): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("SELECT * FROM templates;") + conn.commit () + rows = c.fetchall () + conn.close () + return rows + except sqlite3.Error: + return False + +# function to get an article from the database +def get_article (dbname, artid): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("SELECT * FROM articles WHERE aid=?;", (artid,)) + conn.commit () + row = c.fetchone () + conn.close () + return row + except sqlite3.Error: + return False + +# function to create an article +def create_article (dbname, title, summary, keywords, content, catid, stub, rating): + # time of creation + creattime = time.time () + modtime = creattime + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("INSERT INTO articles (title, summary, keywords, content, cdate, mdate, cid, stub, rating) \ + VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?);", (title, summary, keywords, content, creattime, + modtime, catid, stub, rating)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + +# function to update an article +def update_article (dbname, aid, title, summary, keywords, content, catid, stub, rating): + # modification time only to be updated + modtime = time.time () + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("UPDATE articles SET title=?, summary=?, keywords=?, content=?, mdate=?, cid=?, \ + stub=?, rating=? WHERE aid=?;", + (title, summary, keywords, content, modtime, catid, stub, rating, aid)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + +# function to delete an article +def delete_article (dbname, artid): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("DELETE FROM articles WHERE aid=?;", (artid,)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + +# function to get a category from the database +def get_category (dbname, catid): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("SELECT * FROM categories WHERE cid=?", (catid,)) + conn.commit () + cat = c.fetchone () + conn.close () + return cat + except sqlite3.Error: + return False + +# function to update a category +def update_category (dbname, catid, cat_name, cat_desc, cat_stub): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("UPDATE categories SET name=?, desc=?, stub=? WHERE cid=?;", + (cat_name, cat_desc, cat_stub, catid)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + +# function to remove a category +def remove_category (dbname, catid): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("DELETE FROM categories WHERE cid=?;", (catid,)) + c.execute ("DELETE FROM articles WHERE cid=?;", (catid,)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False + + +# function to create a category +def create_category (dbname, category_name, category_desc, category_stub): + try: + conn = sqlite3.connect (dbname) + c = conn.cursor () + c.execute ("INSERT INTO categories (name, desc, stub) VALUES (?, ?, ?);", + (category_name, category_desc, category_stub)) + conn.commit () + conn.close () + return True + except sqlite3.Error: + return False # function to set the configuration and update the database def set_configuration (dbname, site_title, site_url, keywords, description, copyright, @@ -53,20 +207,6 @@ def get_configuration (dbname): except sqlite3.Error: return False - -# function to create a category -def create_category (dbname, category_name, category_desc, category_stub): - try: - conn = sqlite3.connect (dbname) - c = conn.cursor () - c.execute ("INSERT INTO categories (name, desc, stub) VALUES (?, ?, ?);", - (category_name, category_desc, category_stub)) - conn.commit () - conn.close () - return True - except sqlite3.Error: - return False - # Function to get list of articles (either full list or just in a category def get_articles (dbname, category_id=None): try: @@ -108,6 +248,8 @@ def create_db (dbname, site_title, site_url, keywords, description, copyright, try: conn = sqlite3.connect (dbname) c = conn.cursor () + + # create the tables c.execute ("CREATE TABLE IF NOT EXISTS \ categories (cid INTEGER PRIMARY KEY, \ name TEXT, desc TEXT, \ @@ -123,203 +265,17 @@ def create_db (dbname, site_title, site_url, keywords, description, copyright, c.execute ("CREATE TABLE IF NOT EXISTS \ templates (template_name TEXT, template_content);") - template_main = """ - - - - ${site_title} - - - - - - - - - -
- ${contents_bit} -
- - - - """ - - template_article_bit = """

${article_title}

-
Created: ${article_cdate} | Last modified: ${article_mdate}
-
Rating: ${rating}
-
${article_contents}
- """ - - template_news_item_bit = """

${news_title}

-
${news_datetime}
-
${news_description}
- """ - - template_index_bit = """

Welcome to ${site_name}

-
- Welcome to my site, ${site_name}. -
-

Latest Articles

- ${news_updates} - """ - - template_table_bit = """

${category_title}

-

${category_desc}

- - - - - - - - - - ${table_rows} - -
TitleCreated onRated
- """ - - template_tablerow_bit = """ - ${title} - ${created} - ${rating} - - """ - - template_style = """body { - font-family: "Bitstream Vera Sans", Verdana, Arial, Sans Serif; - font-size: 0.9em; - background-color: #ffffff; - color: #000000; - margin: auto - } - #head { - width: 98%; - background-color: #efefef; - padding: 1%; - text-align: center; - } - - #main { - width: 73%; - padding: 1%; - float: left; - } - - #sidebar { - width: 23%; - padding: 1%; - float: right; - } - - #footer { - width: 100%; - padding-top: 5px; - padding-bottom: 5px; - font-size: 0.9em; - text-align: center; - float: left; - background-color: #efefef; - } - - .headerdesc { - font-variant: small-caps; - font-size: 1.1em; - } - - .content { - text-align: justify; - line-height: 1.1em; - } - - .categorytable { - width: 100%; - } - - .categorytable thead { - font-weight: bold; - } - - .modified { - font-size: 0.8em; - color: #666666; - } - - .rating { - font-size: 0.8em; - color: #666666; - } - - h1, h2, h3 { - font-family: "Bitstream Vera Serif", Serif; - padding: 0; - margin: 0; - margin-top: 5px; - margin-bottom: 5px; - } - - hr { - border: 0; - border-bottom: 1px solid; - border-color: #888888; - } - - h1 { - font-size: 2.4em; - color: #000099; - - } - h1 a, h1 a:hover, h1 a:visited, h2 a:active { - text-decoration: none; - } - h2 { - font-size: 1.4em; - background-color: #efefef; - } - h2 a, h2 a:hover, h2 a:visited, h2 a:active { - text-decoration: none; - } - h3 { - font-size: 1.2em; - a { - color: #0000dd; - } - a:visited { - color: #0000aa; - } - a:active, a:hover { - color: #0000ff; - }""" - + # insert the templates into the newly created database c.executemany ("INSERT INTO templates (template_name, template_content) VALUES (?, ?);", - [["main_template", template_main], - ["article_bit", template_article_bit], - ["news_bit", template_news_item_bit], - ["table_bit", template_table_bit], - ["tablerow_bit", template_tablerow_bit], - ["stylesheet", template_style], - ["index_bit", template_index_bit]]) - + [["main_template", bws.template_main], + ["article_bit", bws.template_article_bit], + ["news_bit", bws.template_news_item_bit], + ["table_bit", bws.template_table_bit], + ["tablerow_bit", bws.template_tablerow_bit], + ["stylesheet", bws.template_style], + ["index_bit", bws.template_index_bit]]) + + # inser the configuration c.executemany ("INSERT INTO config (config_name, config_param) VALUES (?, ?); ", [["Website URL", site_url], ["Website Title", site_title],